The Aswins are Heavenly Physicians, corresponding to Castor and Pollux of
Greek Mythology. They symbolise the shining of dawn and dusk. They are
handsome and possess immense knowledge of Medicine. They are worshipped on
the Second Lunation or Dwiteeya. Their wife is Asvini, Beta Arietis, the
first Zodiacal constellation.

Koti can mean crores or types. By saying 33 Koti deities, we mean 33 types
of Forces of Nature and not 33* 1 crore deities !